CN2849298Y - Pivot capable of making free angle location - Google Patents
Pivot capable of making free angle location Download PDFInfo
- Publication number
- CN2849298Y CN2849298Y CN 200520064091 CN200520064091U CN2849298Y CN 2849298 Y CN2849298 Y CN 2849298Y CN 200520064091 CN200520064091 CN 200520064091 CN 200520064091 U CN200520064091 U CN 200520064091U CN 2849298 Y CN2849298 Y CN 2849298Y
- Authority
- CN
- China
- Prior art keywords
- axle
- female
- shaft
- pivot
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a pivot shaft capable of making free angle positioning, which comprises a male shaft and a female shaft, wherein the male shaft is provided with a shaft rod, the female shaft is hollowed to form a cavity, the shaft rod is inserted in the cavity and the female shaft is provided with an axial cutting groove. The axial cutting groove extends along the direction of a pivot shaft to which the male shaft and the female shaft pivot relatively, the axial cutting groove is communicated with the cavity of the female shaft, one end of the axial cutting groove outwards extends and is communicated with the outside, and thus, a nonocclusive ring shape is formed on the female shaft which has elasticity. When the utility model is in the process of assembly and action, the female shaft provides frication force having adaptive micro adjustment and variable functions between the male shaft and the female shaft through elasticity so as to further and correspondingly provide torque force having an adaptive micro adjustment and variable functions. Consequently, the utility model can avoid the occurrence of situations caused by that the male shaft can not freely rotate relative to the female shaft because of overlarge torque force and the female shaft cracks.
Description
Affiliated technical field
The utility model relates to a kind of pivot with locating function, relates in particular to a kind of pivot of making positioned at arbitrary angles.
Background technique
Along with development of electronic technology, portable electron device as notebook computer, mobile phone etc., is subjected to application more and more widely.This portable electron device has loam cake, pedestal and positioning pivotal device usually.This positioning pivotal device is articulated loam cake and pedestal, thereby finishes the loam cake of this portable electron device and the action that pedestal pivots.
Simultaneously, be to adapt to the demand of this portable electron device of user's free operant, a kind ofly in the pivot process, arise at the historic moment at arbitrarily angled all freely positionable pivot devices.
The pivot of the traditional free angle done location comprises male axle and female axle.This public affairs axle has fixed part and the axostylus axostyle that is one; This mother's axle has fixed part and the tube that is one, and wherein, tube forms a cavity.
During assembling, the axostylus axostyle of described public axle inserts in the cavity of tube of this mother's axle.The fixing part of described public axle and the loam cake of external electronic are sealed, and the fixing part of described female axle and the pedestal of external electronic are sealed.
During start, the loam cake and the pedestal of described electronic equipment relatively rotate, and drive public and female thus and also relatively rotate.In this rotation process, the axostylus axostyle outside wall surface of male axle and the tube internal face of female axle fit tightly and produce friction, form thus a torsion.This torsion overcomes the torsion that the gravity that covers on the external electronic that is locked on the axostylus axostyle produces, thereby realizes that the relatively female axle of male axle is switched to arbitrarily angled all orientable effects.
The above-mentioned existing pivot of doing free angle location when processing and manufacturing, described male axle and female axle by lathe respectively one process, and the tube of described female axle has the lateral wall of complete closed, thereby has stronger rigidity and relatively poor elasticity.In above-mentioned assembling and start process, male axle carries out frictional interference with female axle and cooperates, frictional interference coordinate force between the two very easily make the torsion that forms excessive, thereby cause the relatively female axle of male axle can't Free, even cause logy female axle to break owing to frictional interference power is excessive.This kind situation takes place when the tolerance dimension of the axostylus axostyle of public axle is excessive especially easily.
The model utility content
The purpose of this utility model is to provide a kind of pivot of doing the free angle location for the defective that above-mentioned prior art exists, this pivot can avoid making because torsion is excessive the relatively female axle of male axle can't Free and female axle situation of breaking take place.
For achieving the above object, the utility model provides a kind of pivot of doing the free angle location.This pivot comprises male axle and female axle.Public axle has axostylus axostyle and fixed part, and fixed part that wherein should the public affairs axle and the loam cake of external electronic are sealed; Female axle has tube and fixed part, and fixed part that wherein should mother's axle is sealed with the pedestal of external electronic, and the tube of described female axle has cavity, and the pivot of described public axle inserts in this cavity, and relatively female axle pivot.It is characterized in that: the tube of this mother's axle is offered an axial grooving, and the pivotal axis direction that this axial grooving is pivoted relative to each other along the male and female axle is extended, and is communicated with the cavity of the tube of female axle, and it is away from an end of fixed part and stretch out and be in communication with the outside.
From the above mentioned, the utility model forms nonocclusive annular by the tube that makes female axle of offering of the axial grooving of female axle, make thus female axle have elasticity and can between the male and female axle, provide and have the micro-frictional force of adjusting and changing of adaptability, and then corresponding providing have the torsion that adaptability trace is adjusted and changed, thus make the utility model can avoid making because torsion is excessive the relatively female axle of male axle can't Free and female axle situation of breaking take place.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the three-dimensional combination figure that the utility model can be made the pivot of free angle location.
Fig. 2 is the three-dimensional exploded view that the utility model can be made the pivot of free angle location.
Fig. 3 is the sectional drawing along Fig. 1 III-III hatching.
The description of reference numerals of each element is as follows among the figure: 100. can make the pivot of free angle location, 10. female axle, 11,21. fixing parts, 12. tubes, 13. cavity, 14. axial groovings, 15. groovings radially, 16. grooves, 17,27. through holes, 20. public axles, 22. axostylus axostyles, 26. convex edges
Embodiment
For describing technology contents of the present utility model, structural feature, the purpose that realizes and effect in detail, below in conjunction with embodiment and cooperate the graphic detailed explanation of giving.
See also Fig. 1, the pivot 100 that the utility model can be done the free angle location is assembled on the external electronic (not shown), comprises female axle 10 and male axle 20.Wherein, female axle 10 is sheathed on the male axle 20.
The detailed Fig. 2 that sees also, female axle 10 has fixing part 11 and the tube 12 that is one.Wherein, fixing part 11 extends forward from tube 12 and forms.This fixing part 11 forms a through hole 17 in approximate mid-section, and is sealed with a lock-in component (not shown), therefrom described female axle 10 is locked on the static element of external electronic.These tube 12 inner hollow outs form a cavity 13, and this tube 12 is also offered an annular groove 16 in the rear end of cavity 13 madial walls, and this tube 12 is laterally offered an axial grooving 14 vertically.This axial grooving 14 extends along the pivotal axis direction that male axle 20 and female axle 10 are pivoted relative to each other, and is communicated with the cavity 13 of the tube 12 of female axle 10, and it is away from the rear end of fixed part 11 and stretch out and be in communication with the outside.This mother's axle 10 is offered a grooving 15 radially in tube 12 and fixing part 11 jointing places, this pivotal axis when radially grooving 15 is approximately perpendicular to male and female axle 20,10 and is pivoted relative to each other, and be communicated with the cavity 13 of female axle 10 and described axial grooving 14 front ends respectively and roughly form one fan-shaped.
See also Fig. 3, when assembling the utility model can be made the pivot 100 of free angle location, the axostylus axostyle 22 of public axle 20 is by the axial grooving 14 of female axle 10 and offering of the grooving 15 and elasticity intercalation is gone in the cavity 13 of female axle 10 radially, and the convex annular that makes public axle 20 is sticked in the annular groove of female axle 10 16 along 26, and public axle 20 and female axle 10 are located in axial direction.
In above-mentioned assembling process, the utility model makes tube 12 have good elasticity by axial grooving 14 and the offering of horizontal grooving 15 of female axle 10, fit with the tight elasticity of the lateral surface of male axle 20 thereby the tube 12 that makes female axle 10 expands outwardly slightly, and then form good friction between the two.
During start, rotate the tumbler of external electronic, so that the relatively female axle 10 of male axle 20 pivots.At this moment, the interior annular face of female axle 10 by tube 12 axial grooving 14 and offering of horizontal grooving 15 and with the annular outboard surface elastic frictional fit of the axostylus axostyle 22 of male axle 20, thereby form a torsion.This torsion overcomes the torsion that gravity produced of the tumbler that is locked on the external electronic on the public axle 20, thereby so that 20 rotations of the relatively male axle of female axle 10 all can freely locate when arbitrarily angled.
As seen from the above, the utility model pivot 100 that can do free angle location forms nonocclusive annular by the axial grooving 14 of female axle 10 and the tube 12 that makes female axle 10 of offering of horizontal grooving 15.In assembling and start process, female axle 10 has elasticity by this nonocclusive annular and the frictional force that has the adjustment of adaptability trace and change can be provided between male and female axle 20,10, and then corresponding providing has the torsion that the adaptability trace is adjusted and changed.Thereby, the pivot 100 that the utility model can be done free angle location can avoid making because torsion is excessive the relatively female axle 10 of male axle 20 can't Free and female axle situation of breaking take place.
Claims (3)
1. can make the pivot that free angle is located for one kind, be assembled on the external electronic, comprise male axle and female axle, public axle has axostylus axostyle and fixed part, fixed part that wherein should the public affairs axle and the rotation section of external electronic are sealed, female axle has tube and fixed part, fixed part that wherein should mother's axle and the stationary part of external electronic are sealed, the tube of described female axle has cavity, the pivot of described public axle inserts in this cavity, and relatively female axle pivots, it is characterized in that: the tube of this mother's axle is offered an axial grooving, this axial grooving is along public affairs, the pivotal axis direction that female axle is pivoted relative to each other is extended, and is communicated with the cavity of the tube of female axle, and it is away from an end of fixed part and stretch out and be in communication with the outside.
2. the pivot of doing free angle location as claimed in claim 1, wherein should mother's axle offer a grooving radially in tube and fixed part junction, this pivotal axis when radially grooving is approximately perpendicular to the male and female axle and is pivoted relative to each other, and be communicated with the cavity of female axle and described axial grooving respectively and roughly form one fan-shaped.
3. the pivot of doing free angle location as claimed in claim 1, hinge portion that wherein should the public affairs axle outwards protrudes out in lateral surface and forms the convex annular edge, and the tube of this mother's axle is offered annular groove in madial wall, and described convex annular is along being sticked in this annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064091 CN2849298Y (en) | 2005-09-02 | 2005-09-02 | Pivot capable of making free angle location |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064091 CN2849298Y (en) | 2005-09-02 | 2005-09-02 | Pivot capable of making free angle location |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849298Y true CN2849298Y (en) | 2006-12-20 |
Family
ID=37521781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520064091 Expired - Fee Related CN2849298Y (en) | 2005-09-02 | 2005-09-02 | Pivot capable of making free angle location |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2849298Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101541153B (en) * | 2008-03-19 | 2011-12-07 | 深圳富泰宏精密工业有限公司 | Rotating shaft structure of portable type electronic device and method assembling same |
-
2005
- 2005-09-02 CN CN 200520064091 patent/CN2849298Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101541153B (en) * | 2008-03-19 | 2011-12-07 | 深圳富泰宏精密工业有限公司 | Rotating shaft structure of portable type electronic device and method assembling same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061220 |